Anatomy and Physiology of the Larynx. 87 



three ; it is about the centre of the cavity of the larynx, 

 and is formed by the vocal cords on each side in front, and 



Fig. 4. — view of the entrance to the horse's larynx, seen 

 fkom the mouth, the tocal cords being in the position 



THEY OCCUPY IN TRANQUIL RESPIRATION (EXPIKATION). 



a, Epiglottis, pointing towards the mouth, h b, Arytsenoid car- 

 tilages, c c, Vocal cords thrown rather into relief to make them more 

 distinct, d, Glottis or opening between the vocal cords into the trachea. 

 e e, Ventricles of the larynx leading to the vocal pouches or Morgagni's 

 ventricles, and surmounted by the false vocal cords or bands on which 

 the letters are placed. //, Processi musculares or angles of the ary- 

 tsenoid cartilages into which the dilator muscles of the larynx are in- 

 serted, g, Ridge of the cricoid cartilage. 



the bases of the arytsenoid cartilages on each side behipd 

 (Figs. 1, g; 3, 3; 5, c d). The space between the vocal 



